Student or Learner
Considering the whole context, does "fell" denote a factual conditional or a predictive one? I mean, did it "falling" really happen or did they just prepare for possible falling? It's more likely to be the latter, but I can't exclude the former.
mo36)My brother, the mountain climber, once took me and a friend up the 13,776foot Grand Teton. It was terrifying! As we ①climbed, the mountain went straight up. At that point, we tied ourselves together with ropes to save our lives if one of us ②fell. That rope kept me from taking thousandfoot falls to my death two times. By ③blocking each other and trusting in the ropes, we finally reached the top safely. You will do a lot more in life if you rope up and ④borrow strength from others. The more ropes you have, the ⑤better your chances are for success.
keannu, use your brain.